President Maithripala Sirisena today slammed calls for a black-flag protest during Indian Prime Minister Narendra Modi’s visit to Sri Lanka.The joint opposition recently called for a black flag protest during Modi’s visit to take part in the celebrations marking the UN ‘Vesak Day’, the most important in the Buddhist calendar. “Are they Buddhists?” President Maithripala Sirisena asked with regards to those calling for the protest. “They are trying to sell Sri Lanka to India,” he said.He also called on joint opposition supporters to take to the streets and push for an early election.Former President Mahinda Rajapaksa also attended the joint opposition May Day rally. (Colombo Gazette) Joint opposition Parliamentarian Wimal Weerawansa, speaking at the joint opposition May Day rally at Galle Face said that Modi was to discuss a deal with the Government during his visit. Weerawansa said that Modi and Sri Lanka are discussing a deal on Trincomalee which he says must be opposed.The opposition member urged all those who oppose the deal to raise black flags in protest of Modi’s visit.